Cardi B seemingly takes aim at ex, Patriots' Stefon Diggs, during concert rant: 'Who you playin' with?'

Cardi B appears to be taking shots at her ex-boyfriend, New England Patriots wide receiver Stefon Diggs, during one of her stops on her "Little Miss Drama Tour."

The rapper, whose real name is Belcalis Marlenis Almánzar, may not have mentioned his name, but it was very clear who she was talking about when she went off during an onstage rant. 

"It’s called principle," Cardi B said, announcing the next song she was going to perform at her San Francisco stop.

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